Vehicle Details
2021 GMC Terrain
SLE
Mattoon, IL 61938
Is this 2021 GMC Terrain SLE a good deal?
OAV verdict: Unscored
Why: Listed at $15,977, comparable market range $15,977–$15,977. Days on lot: 4 days (market average 61 days).
Market price position
$15,977 · only listing at this price
- Regional range
- $15,977 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 12–53 days.
Kc Summers Nissan
Mattoon, IL
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Kc Summers Nissan for current availability of this 2021 GMC Terrain SLE and an out-the-door price quote (taxes, fees, addons included).
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
About This 2021 GMC Terrain
Listing updated: Jun 21, 2026Listed by a franchise dealer in Mattoon, IL · On lot for 4 days · VIN verifiable at NHTSA
This used 2021 GMC Terrain SLE is listed at $15,977 by kc summers nissan in Mattoon, IL 61938. It has 93,680 miles on the odometer. The exterior color is Gray. It features a FWD drivetrain with a 1.5L I4 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on available similar vehicles in the Mattoon market, the estimated market range is $15,977 to $15,977.
This vehicle has been on the lot for 4 days.
Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).
Market context
This listing is part of OAV's broader Mattoon, IL suvs market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.
How this deal is rated
OAV compares this 2021 GMC Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:
- Great Deal — priced below the typical range for comparable vehicles.
- Fair Price — priced within the expected range for comparable vehicles.
- Overpriced — priced above the typical range for comparable vehicles.
Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Mattoon, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALMEV0ML305955 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.
Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2021 GMC Terrain Market in IL
Comparable Vehicles
804
Average Price
$21,992
Price Range
$8,995–$39,185
Avg Days on Lot
61
Based on 804 comparable 2019-2023 GMC Terrain listings in IL, the average asking price is $21,992. This listing at $15,977 is $6,015 below average (27% below market). Comparable prices in IL range from $8,995 to $39,185. Similar vehicles spend an average of 61 days on dealer lots in this market.
Similar GMC Terrain Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLE — compare trims below)
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2020 GMC Terrain
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2019 GMC Terrain
SLE
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